If you can forgive them you will be a better man. I would not take the video down. Let your parents own their decision. If you all spend a lot of time together more often over time the video will just be a humorous event. If you can't spend time together then it will be an example of a family that values perception more than relationships. Perception is exactly what communists want and it's why families are getting in the way of their agenda of ruining families, religion and human relationships.